11257155435 has 32 divisors (see below), whose sum is σ = 19226488320. Its totient is φ = 5607705600.

The previous prime is 11257155433. The next prime is 11257155451. The reversal of 11257155435 is 53455175211.

It is not a de Polignac number, because 11257155435 - 2¹ = 11257155433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11257155393 and 11257155402.

It is not an unprimeable number, because it can be changed into a prime (11257155431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257926 + ... + 298395.

It is an arithmetic number, because the mean of its divisors is an integer number (600827760).

Almost surely, 2^11257155435 is an apocalyptic number.

11257155435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11257155435 is a deficient number, since it is larger than the sum of its proper divisors (7969332885).

11257155435 is a wasteful number, since it uses less digits than its factorization.

11257155435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556419.

The product of its digits is 105000, while the sum is 39.

The spelling of 11257155435 in words is "eleven billion, two hundred fifty-seven million, one hundred fifty-five thousand, four hundred thirty-five".